National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

EW3236 Escondido (E3236)

Lat: 33.12117°NLon: 117.08983°WElev: 645.6ft.

NA

82°F

28°C

Humidity 45%
Wind Speed SW 0 MPH
Barometer 29.85 in (1010.84 mb)
Dewpoint 59°F (15°C)
Visibility NA
Heat Index82°F (28°C)
Last update 21 May 02:15 PM PDT
Extended Forecast for

San Marcos CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 79. West wind around 10 mph, with gusts as high as 20 mph.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Friday Night

    Friday Night: Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 73 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 55.

    Low: 55 °F

    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.

    High: 72 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Memorial Day

    Memorial Day: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 79. West wind around 10 mph, with gusts as high as 20 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 56. Southwest wind around 5 mph becoming calm in the evening.
Friday
Patchy fog before 11am. Otherwise, partly sunny, then gradually becoming sunny, with a high near 75. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 55. West wind around 5 mph becoming calm in the evening.
Saturday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 73. Light and variable wind becoming west 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 55.
Sunday
Patchy fog before 11am. Otherwise, mostly sunny, with a high near 72.
Sunday Night
Partly cloudy, with a low around 55.
Memorial Day
Mostly sunny, with a high near 70.
Monday Night
Increasing clouds, with a low around 55.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 68.
Tuesday Night
Increasing clouds, with a low around 54.
Wednesday
Mostly cloudy, then gradually becoming sunny, with a high near 67.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Marcos CA
 33.13°N 117.18°W (Elev. 600 ft)
Last Update:
12:32 pm PDT May 21, 2026
Forecast Valid:
2pm PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation